code: def system(cmd, verbose=True):
      cmd = cmd.replace("VW", VW)
      if verbose:
          sys.stderr.write("+ %s\n" % cmd)
      retcode = os.system(cmd)
      if retcode:
          sys.exit(1)
  
file_path: vowpal_wabbit/test/save_resume_test.py
imports: import sys
  import os
  import optparse
  import random
  from itertools import zip_longest
label_desc: Use image node_id 1 for calling a global function with example usage: system(cmd, verbose) without return types